You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
1.1 KiB
37 lines
1.1 KiB
#ifndef _SELFDRIVE_COMMON_PARAMS_H_
|
|
#define _SELFDRIVE_COMMON_PARAMS_H_
|
|
|
|
#include <stddef.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define PARAMS_PATH "/data/params"
|
|
|
|
int write_db_value(const char* params_path, const char* key, const char* value,
|
|
size_t value_size);
|
|
|
|
// Reads a value from the params database.
|
|
// Inputs:
|
|
// params_path: The path of the database, eg /sdcard/params.
|
|
// key: The key to read.
|
|
// value: A pointer where a newly allocated string containing the db value will
|
|
// be written.
|
|
// value_sz: A pointer where the size of value will be written. Does not
|
|
// include the NULL terminator.
|
|
//
|
|
// Returns: Negative on failure, otherwise 0.
|
|
int read_db_value(const char* params_path, const char* key, char** value,
|
|
size_t* value_sz);
|
|
|
|
// Reads a value from the params database, blocking until successful.
|
|
// Inputs are the same as read_db_value.
|
|
void read_db_value_blocking(const char* params_path, const char* key,
|
|
char** value, size_t* value_sz);
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif
|
|
|
|
#endif // _SELFDRIVE_COMMON_PARAMS_H_
|
|
|